Alert archive / Pennsylvania / Flash Flood Warnings / 2017
Flash Flood Warnings in Pennsylvania, July 2017
70 flash flood warnings in July 2017. An alert counts here when it covered any part of the state, so the counties below add up to more than the state. The archive of flash flood warnings reaches back to 1986.
Flash Flood Warnings by county
Each county as a circle sized by its count in July 2017. Tap one for its archive.
- Flash Flood Warnings
- 70
- Busiest day
- July 24, 201721 flash flood warnings
Over time
By day
Days in UTC, the clock the archive keeps.
The alerts
Every alert, in the order issued. Times are local, Eastern Time. Each opens its own page with the text, the map, the radar and the sounding.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 30, 10:37 PM EDT | Flash Flood Warning | PBZ | Mercer | 5 hr |
| Jul 1, 4:20 PM EDT | Flash Flood Warning | PHI | Berks, Lehigh | 4 hr |
| Jul 5, 10:27 PM EDT | Flash Flood Warning | PBZ | Butler | 4 hr |
| Jul 6, 3:43 PM EDT | Flash Flood Warning | PBZ | Allegheny | 3 hr |
| Jul 6, 4:39 PM EDT | Flash Flood Warning | PBZ | Allegheny, Washington | 3 hr |
| Jul 6, 5:08 PM EDT | Flash Flood Warning | PBZ | Butler | 3 hr |
| Jul 6, 5:28 PM EDT | Flash Flood Warning | PBZ | Beaver | 3 hr |
| Jul 13, 5:25 PM EDT | Flash Flood Warning | PHI | Berks, Lehigh | 3 hr |
| Jul 13, 5:31 PM EDT | Flash Flood Warning | PHI | Bucks | 3 hr |
| Jul 14, 2:30 AM EDT | Flash Flood Warning | PBZ | Indiana | 3 hr |
| Jul 14, 2:52 AM EDT | Flash Flood Warning | PBZ | Indiana | 6 hr |
| Jul 14, 6:16 AM EDT | Flash Flood Warning | PBZ | Fayette, Greene | 5 hr |
| Jul 14, 10:18 AM EDT | Flash Flood Warning | CTP | Cambria, Clearfield | 3 hr |
| Jul 14, 2:53 PM EDT | Flash Flood Warning | PHI | Chester, Delaware, Montgomery, Philadelphia | 3 hr |
| Jul 17, 1:41 PM EDT | Flash Flood Warning | PHI | Berks | 7 hr |
| Jul 17, 1:50 PM EDT | Flash Flood Warning | BGM | Luzerne | 3 hr |
| Jul 17, 2:34 PM EDT | Flash Flood Warning | BGM | Susquehanna | 6 hr |
| Jul 17, 2:41 PM EDT | Flash Flood Warning | CTP | York | 2 hr |
| Jul 17, 2:45 PM EDT | Flash Flood Warning | CTP | Schuylkill | 2 hr |
| Jul 17, 2:52 PM EDT | Flash Flood Warning | BGM | Lackawanna, Luzerne | 6 hr |
| Jul 17, 3:18 PM EDT | Flash Flood Warning | CTP | Lebanon | 117 min |
| Jul 20, 3:51 PM EDT | Flash Flood Warning | BGM | Bradford, Susquehanna | 6 hr |
| Jul 23, 4:50 PM EDT | Flash Flood Warning | CTP | York | 4 hr |
| Jul 23, 6:36 PM EDT | Flash Flood Warning | CTP | Dauphin, Lebanon | 3 hr |
| Jul 23, 6:53 PM EDT | Flash Flood Warning | PHI | Chester, Delaware | 14 hr |
| Jul 23, 7:20 PM EDT | Flash Flood Warning | PHI | Berks, Chester, Montgomery | 6 hr |
| Jul 23, 7:41 PM EDT | Flash Flood Warning | PHI | Bucks, Delaware, Montgomery, Philadelphia | 6 hr |
| Jul 23, 7:59 PM EDT | Flash Flood Warning | CTP | Dauphin, Northumberland | 3 hr |
| Jul 23, 8:23 PM EDT | Flash Flood Warning | PBZ | Armstrong, Butler | 3 hr |
| Jul 23, 8:56 PM EDT | Flash Flood Warning | PBZ | Clarion, Forest, Jefferson | 4 hr |
| Jul 23, 9:12 PM EDT | Flash Flood Warning | PBZ | Fayette, Washington, Westmoreland | 3 hr |
| Jul 23, 9:28 PM EDT | Flash Flood Warning | PBZ | Fayette, Westmoreland | 3 hr |
| Jul 23, 9:58 PM EDT | Flash Flood Warning | BGM | Bradford | 3 hr |
| Jul 23, 10:09 PM EDT | Flash Flood Warning | CTP | Cameron, Potter, Tioga | 4 hr |
| Jul 23, 10:13 PM EDT | Flash Flood Warning | BGM | Bradford | 2 hr |
| Jul 23, 11:35 PM EDT | Flash Flood Warning | BGM | Bradford, Susquehanna | 3 hr |
| Jul 23, 11:47 PM EDT | Flash Flood Warning | PBZ | Jefferson | 3 hr |
| Jul 23, 11:55 PM EDT | Flash Flood Warning | BGM | Susquehanna | 3 hr |
| Jul 24, 12:23 AM EDT | Flash Flood Warning | BGM | Bradford | 3 hr |
| Jul 24, 12:57 AM EDT | Flash Flood Warning | BGM | Bradford | 2 hr |
| Jul 24, 3:00 AM EDT | Flash Flood Warning | PHI | Delaware, Montgomery, Philadelphia | 4 hr |
| Jul 24, 2:17 PM EDT | Flash Flood Warning | BGM | Bradford, Susquehanna | 3 hr |
| Jul 24, 2:33 PM EDT | Flash Flood Warning | BGM | Susquehanna | 3 hr |
| Jul 24, 3:50 PM EDT | Flash Flood Warning | BGM | Susquehanna | 115 min |
| Jul 24, 4:42 PM EDT | Flash Flood Warning | CTP | Columbia, Montour, Northumberland, Union | 3 hr |
| Jul 24, 5:15 PM EDT | Flash Flood Warning | BGM | Bradford | 2 hr |
| Jul 24, 6:43 PM EDT | Flash Flood Warning | PHI | Berks, Lehigh, Northampton | 4 hr |
| Jul 24, 6:47 PM EDT | Flash Flood Warning | PHI | Berks | 4 hr |
| Jul 24, 7:23 PM EDT | Flash Flood Warning | PHI | Bucks, Lehigh, Montgomery | 4 hr |
| Jul 24, 9:44 PM EDT | Flash Flood Warning | PHI | Philadelphia | 4 hr |
| Jul 27, 6:01 PM EDT | Flash Flood Warning | PBZ | Fayette | 3 hr |
| Jul 28, 1:42 PM EDT | Flash Flood Warning | PBZ | Westmoreland | 3 hr |
| Jul 28, 2:29 PM EDT | Flash Flood Warning | PBZ | Indiana, Westmoreland | 4 hr |
| Jul 28, 4:09 PM EDT | Flash Flood Warning | PBZ | Washington | 7 hr |
| Jul 28, 5:14 PM EDT | Flash Flood Warning | CTP | Bedford, Fulton, Huntingdon | 3 hr |
| Jul 28, 5:46 PM EDT | Flash Flood Warning | PBZ | Fayette, Greene | 12 hr |
| Jul 28, 7:07 PM EDT | Flash Flood Warning | PBZ | Fayette | 5 hr |
| Jul 28, 8:45 PM EDT | Flash Flood Warning | PBZ | Allegheny, Armstrong, Westmoreland | 9 hr |
| Jul 28, 9:19 PM EDT | Flash Flood Warning | PBZ | Washington | 9 hr |
| Jul 28, 9:25 PM EDT | Flash Flood Warning | PHI | Berks | 4 hr |
| Jul 28, 9:35 PM EDT | Flash Flood Warning | PBZ | Allegheny | 8 hr |
| Jul 28, 9:39 PM EDT | Flash Flood Warning | PBZ | Allegheny, Armstrong, Beaver, Butler | 4 hr |
| Jul 28, 9:46 PM EDT | Flash Flood Warning | CTP | Blair, Cambria, Centre, Clearfield, Huntingdon | 3 hr |
| Jul 28, 10:08 PM EDT | Flash Flood Warning | PBZ | Washington | 9 hr |
| Jul 28, 10:09 PM EDT | Flash Flood Warning | CTP | Cumberland, Franklin, Fulton, Huntingdon, Juniata, Mifflin and 1 more | 3 hr |
| Jul 28, 10:35 PM EDT | Flash Flood Warning | PBZ | Greene | 5 hr |
| Jul 28, 10:53 PM EDT | Flash Flood Warning | PBZ | Allegheny, Armstrong, Butler | 5 hr |
| Jul 28, 10:59 PM EDT | Flash Flood Warning | PBZ | Allegheny, Beaver, Washington | 5 hr |
| Jul 28, 11:14 PM EDT | Flash Flood Warning | PBZ | Allegheny, Fayette, Washington, Westmoreland | 9 hr |
| Jul 28, 11:51 PM EDT | Flash Flood Warning | PBZ | Armstrong, Fayette, Indiana, Westmoreland | 8 hr |
By county
Every county with at least one alert. A county page lists each alert that covered it.
- Allegheny County8
- Fayette County8
- Bradford County8
- Berks County7
- Washington County7
- Susquehanna County7
- Westmoreland County7
- Butler County5
- Montgomery County5
- Armstrong County5
- Lehigh County4
- Indiana County4
- Delaware County4
- Philadelphia County4
- Beaver County3
- Bucks County3
- Greene County3
- Chester County3
- Huntingdon County3
- Cambria County2
- Clearfield County2
- Luzerne County2
- York County2
- Lebanon County2
- Dauphin County2
- Northumberland County2
- Jefferson County2
- Fulton County2
- Mercer County1
- Schuylkill County1
- Lackawanna County1
- Clarion County1
- Forest County1
- Cameron County1
- Potter County1
- Tioga County1
- Columbia County1
- Montour County1
- Union County1
- Northampton County1
Nearby
Alerts in force nowTornadoes on recordThe radar archive20162018
Sources
National Weather Service watches, warnings, advisories and statements from the Iowa Environmental Mesonet's VTEC archive, which reconstructs tornado, severe thunderstorm, flash flood and marine warnings back to 1986 from the NWS text archive. Storm Prediction Center watches and mesoscale discussions from SPC's archive through the Mesonet. County centers from the US Census Bureau. Warning verification from the Mesonet's Cow. Rebuilt daily.